51250938453 has 48 divisors (see below), whose sum is σ = 88821847296. Its totient is φ = 28061781120.

The previous prime is 51250938451. The next prime is 51250938469. The reversal of 51250938453 is 35483905215.

51250938453 is a `hidden beast` number, since 5 + 12 + 509 + 3 + 84 + 53 = 666.

It is not a de Polignac number, because 51250938453 - 2¹ = 51250938451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51250938399 and 51250938408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51250938451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 363150 + ... + 484127.

It is an arithmetic number, because the mean of its divisors is an integer number (1850455152).

Almost surely, 2^51250938453 is an apocalyptic number.

It is an amenable number.

51250938453 is a deficient number, since it is larger than the sum of its proper divisors (37570908843).

51250938453 is a wasteful number, since it uses less digits than its factorization.

51250938453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847354 (or 847351 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 51250938453 in words is "fifty-one billion, two hundred fifty million, nine hundred thirty-eight thousand, four hundred fifty-three".